Pocket Watch Database

From the American Horology Archive:
Waltham Grade No. 20 Pocket Watch

American Waltham Watch Co.

Grade: No. 20

Manufacturer: Waltham
Manufacturer Location: Waltham, Massachusetts
Movement Serial Number: 5918323
Grade: No. 20
Model: 1888
Estimated Production Date: August 1893 - November 1893
Run Quantity: 4,000
Grade/Model Run: 30 of 138
Grade/Model Total Production: 305,873
Size: 16s
Jewels: 7j
Movement Configuration: Hunting
Movement Finish: Gilt
Movement Setting: Pendant
Plate: 3/4 Plate
Regulator: Plain
Hairspring: Breguet
Adjusted: No
Railroad Grade: No
Data Research: c.1900 Waltham Factory Ledger Book 2 [NAWCC]
1954 Waltham "Gray Book" List
NAWCC Waltham Serial Digest
Case: Various
Run ID: 14381.G30.16S509.161888M184.H3818.P1112.7J4060
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
473.57
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
433.35
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.473%
Registry Population: 10 (0.25%)
$ Estimated Value (12 Month Change): -11.21% Analyzing 346 Sales

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Verification Reports for this Run

The following reports have been graciously submitted by dedicated members in reference to this production run. These reports are useful to verify data and track inaccuracies that require further research. Please note that reports may contain inaccurate information or assumptions that must be dilligently considered with other available sources.


cmdraven 3970 · August 28, 2021

Serial Number 5915041 was reported as accurate.

texnet 684 · July 18, 2020

Serial Number 5917889 was reported as accurate.

texnet 684 · April 16, 2019

Serial Number 5917889 was reported as accurate.

texnet 684 · April 15, 2019

Serial Number 5917889 was reported as accurate.

rjcullis 114 · September 28, 2017

Serial Number 5918690 was reported as accurate.

Anonymous · May 6, 2017

Serial Number 5916917 was reported as accurate.

Changes since this report was submitted:
Size changed from 18 to 16
Factory Model changed from 1883 to 1888

Anonymous · January 8, 2016

Serial Number 5918149 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1883 to 1888

jerrydk7 227 · March 23, 2014

Serial Number 5917889 was reported as inaccurate.

Note: Plate = 3/4
Regulator = Basic
Balance: Ex/Breg/unadj
Changes since this report was submitted:
Factory Model changed from 1883 to 1888
Plate changed from Full to 3/4

Anonymous · August 20, 2013

Serial Number 5916020 was reported as accurate.

Changes since this report was submitted:
Factory Model changed from 1883 to 1888
Plate changed from Full to 3/4
Waltham Grade No. 20 Pocket Watch